| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Ignition signal cyl. 2 | Ignition coil cyl. 2 |
| | | |
| 2 | A | Ignition signal cyl. 4 | Ignition coil cyl. 4 |
| | | |
| 3 | A | Ignition signal cyl. 6 | Ignition coil cyl. 6 |
| | | |
| 4 | M | Ground | Ground connector, power |
| | | |
| 5 | A | Fuel injector cyl. 2 | Fuel injector cyl. 2 |
| | | |
| 6 | M | Fuel injector cyl. 1 | Fuel injector cyl. 1 |
| | | |
| 7 | M | Ground, hot film air mass meter | Hot-film air mass meter |
| | | |
| 8 | E | Signal, hot film air mass meter | Hot-film air mass meter |
| | | |
| 9 | A | Injection signal for KVA | Integrated electronic control unit (IKE), Instrument cluster |
| | | |
| 10 | E | Temperature sensor signal DME | Dual temperature switch |
| | | |
| 11 | | Not used | |
| | | |
| 12 | E | Throttle potentiometer signal | Throttle potentiometer |
| | | |
| 13 | | Not used | |
| | | |
| 14 | E | Intake air temperature | Intake air temperature sensor |
| | | |
| 15 | E | Speed signal, rear | ABS control unit, ABS/ASC control unit |
| | | |
| 16 | E | A/C compressor signal | Heating and A/C control module |
| | | |
| 17 | | Not used | |
| | | |
| 18 | E | Antitheft alarm system signal (EWS) | Electronic immobilizer control unit (EWS) |
| | | |
| 19 | E | Signal, running losses | Leakage diagnosis pump |
| | | |
| 20 | A | CARB signal | Instrument cluster |
| | | |
| 21 | E | VANOS valve signal | VANOS valve |
| | | |
| 22 | A | Fuel injector cyl. 3 | Fuel injector cyl. 3 |
| | | |
| 23 | A | Fuel injector cyl. 6 | Fuel injector cyl. 6 |
| | | |
| 24 | A | Fuel injector cyl. 4 | Fuel injector cyl. 4 |
| | | |
| 25 | E | Signal, oxygen sensor heater | Heated oxygen sensor 1 in front of catalytic converter |
| | | |
| 26 | E | Terminal 30 | Fuse carrier, engine electronics |
| | | |
| 27 | A | Idle actuator closing winding | Idle actuator |
| | | |
| 28 | M | Ground | Ground connector, electronics |
| | | |
| 29 | A | Ignition signal cyl. 1 | Ignition coil cyl. 1 |
| | | |
| 30 | A | Ignition signal cyl. 3 | Ignition coil cyl. 3 |
| | | |
| 31 | A | Ignition signal cyl. 5 | Ignition coil cyl. 5 |
| | | |
| 32 | M | Ground | Ground connector, power |
| | | |
| 33 | A | Fuel injector cyl. 5 | Fuel injector cyl. 5 |
| | | |
| 34 | M | Ground | Ground connector, power |
| | | |
| 35 | A | Relay activation, secondary air pump stage 2 | Secondary air pump relay US |
| | | |
| 36 | A | Engine speed signal | Integrated electronic control unit (IKE) |
| | | |
| 37 | | Not used | |
| | | |
| 38 | M | Shield, knock sensor | Knock sensor |
| | | |
| 39 | M | NTC signal | Solder connector, temperature sensor |
| | | |
| 40 | M | Crankshaft sensor ground | Crankshaft sensor |
| | | |
| 41 | M | Shield | Camshaft sensor |
| | | |
| 42 | M | Ground, throttle potentiometer | Throttle potentiometer |
| | | |
| 43 | M | Camshaft sensor ground | Camshaft sensor |
| | | |
| 44 | A | Throttle potentiometer + 5 V supply | Throttle potentiometer |
| | | |
| 45 | A | Throttle position signal | ABS/ASC control unit |
| | | |
| 46 | A | Fuel reserve signal | Instrument cluster |
| | | |
| 47 | | Not used | |
| | | |
| 48 | A | Supply Crankshaft sensor | Crankshaft sensor |
| | | |
| 49 | A | Terminal 15 | Fuse F14 |
| | | |
| 50 | A | Negative activation | Fuel changeover circuit |
| | | |
| 51 | A | Negative activation | Leakage diagnosis pump |
| | | |
| 52 | | Not used | |
| | | |
| 53 | A | Idle actuator opening winding | Idle actuator |
| | | |
| 54 | E | Terminal 87 | Connector, terminal 87 |
| | | |
| 55 | E | Signal Oxygen sensor heater | Heated oxygen sensor 2 in front of catalytic converter |
| | | |
| 56 | M | Signal, ignition circuit monitoring | Ground connector |
| | | |
| 57 | A | Signal Knock sensor, cyl. 1-3 | Knock sensor |
| | | |
| 58 | E | Signal Knock sensor, cyl. 1-3 | Knock sensor |
| | | |
| 59 | A | Signal Knock sensor, cyl. 4-6 | Knock sensor |
| | | |
| 60 | E | Programming voltage input | Diagnostic connector |
| | | |
| 61 | E | Signal, oxygen sensor heater | Heated oxygen sensor 2 behind catalytic converter US |
| | | |
| 62 | A | Signal Secondary air pump valve | Secondary air pump valve US |
| | | |
| 63 | E | Signal Knock sensor, cyl. 4-6 | Knock sensor |
| | | |
| 64 | E | Voltage signal, camshaft sensor | Camshaft sensor |
| | | |
| 65 | E | Signal, camshaft sensor | Camshaft sensor |
| | | |
| 66 | | Not used | |
| | | |
| 67 | M | Ground Heated oxygen sensor 1 in front of catalytic converter | Heated oxygen sensor 1 in front of catalytic converter |
| | | |
| 68 | A | Tank ventilation valve | Charcoal filter valve |
| | | |
| 69 | A | EKP relay | Fuel pump relay 1 |
| | | |
| 70 | M | Ground Heated oxygen sensor 2 in front of catalytic converter | Heated oxygen sensor 2 in front of catalytic converter |
| | | |
| 71 | M | Ground Heated oxygen sensor 1 behind catalytic converter | Heated oxygen sensor 1 behind catalytic converter US |
| | | |
| 72 | M | Ground Heated oxygen sensor 2 behind catalytic converter | Heated oxygen sensor 2 behind catalytic converter US |
| | | |
| 73 | E | DME relay | DME relay |
| | | |
| 74 | A | Signal, A/C compressor relay | Heating and A/C control module |
| | | |
| 75 | A | Signal, oxygen sensor | Heated oxygen sensor 1 in front of catalytic converter |
| | | |
| 76 | A | Signal, oxygen sensor | Heated oxygen sensor 2 in front of catalytic converter |
| | | |
| 77 | A | Oxygen sensor signal | Heated oxygen sensor 1 behind catalytic converter US |
| | | |
| 78 | A | Oxygen sensor signal | Heated oxygen sensor 2 behind catalytic converter US |
| | | |
| 79 | E | Signal, oxygen sensor heater | Heated oxygen sensor 1 behind catalytic converter US |
| | | |
| 80 | E | Ignition fade-out | ABS/ASC control unit |
| | | |
| 81 | E | Ignition timing adjustment | ABS/ASC control unit |
| | | |
| 82 | E | Signal, idle speed increase (anti-stall) | ABS/ASC control unit |
| | | |
| 83 | E | Crankshaft sensor signal (speed and position) | Crankshaft sensor |
| | | |
| 84 | | Not used | |
| | | |
| 85 | E/A | CAN-bus low | AGS transmission control unit |
| | | |
| 86 | E/A | CAN-bus high | AGS transmission control unit |
| | | |
| 87 | E | Terminal 87 | Connector, terminal 87 |
| | | |
| 88 | E/A | Diagnostic link TXD | Diagnostic connector |
| | | |